MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many pointing to disposable hosting or compromised CMS upload directories, suggesting a link farm designed to redirect users. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely instructs users to open a password-protected archive, a common tactic to bypass gateway security. ClamAV detection and ML classification strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ketchas.ru/uplcv?utm_term=configurar+correo+movistar+en+android PDF link annotation
- http://scro.ru/pic/file/vumixizotekuxogep.pdfIn PDF document text
- https://biothiennam.com/media/ftp/file/ruragagexox.pdfIn PDF document text
- http://rayocazar.com/images/elfinder-1.1/files/file/38849203844.pdfIn PDF document text
- http://cartopack.be/Images/file/40550578457.pdfIn PDF document text
- http://mfcpavpos.ru/file/zojelulikopulasusebuwerud.pdfIn PDF document text
- http://topflexsports.com/uploads/57064958090.pdfIn PDF document text
- https://suativisamsungtaihanoi.net/upload/files/xixajovu.pdfIn PDF document text
- http://barudan.hk/UploadFile/file/20210917024714823.pdfIn PDF document text
- https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/e351f3171a0c3c7f335f71f8093a6ba6/kexerupaburejesusig.pdfIn PDF document text
- http://xn----otbbfbbknchz.xn--p1ai/sadm_files/dofowonotoxagonov.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/996b79aa2071209cc0be39ade9af4783/54351815902.pdfIn PDF document text
- http://laboratorioshamalab.com/userfiles/file/12010845794.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145c54d66a81---rodulodekejo.pdfIn PDF document text
- http://bnblspecialities.com/userfiles/files/lasazuwowukewifabifak.pdfIn PDF document text
- http://studioagronomoserragiotto.eu/userfiles/files/42677259925.pdfIn PDF document text
- http://diversecityuk.com/userfiles/file/nefuvo.pdfIn PDF document text
- http://ck-kutnahora.cz/gais/image/file/rebega.pdfIn PDF document text
- https://funcarele.com/ckfinder/userfiles/files/8775612704.pdfIn PDF document text
- http://topflexsports.com/uploads/fedugotivizafuk.pdfIn PDF document text
- http://medicalproduct.hu/images/files/zikoxogivaloxegupojudi.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d7cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7CF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000efe6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFE6 | 10972 bytes |
SHA-256: 459dde9a924ccf7b4aceeb43a0ecfb194a6a351d2c0b2393b89d556e15998c03 |
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font_02_sfnt_off00010945.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10945 | 18652 bytes |
SHA-256: a8d16683e034dc5c78f661a827b3a075bacbfa788c5970633c81b25d03f1ee21 |
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